2SC4988
S Parameter
(V
CE
= 5 V, I
C
= 5 mA, Z
O
= 50
Ω)
Freq.
(MHz)
200
400
600
800
1000
1200
1400
1600
1800
2000
S11
MAG.
0.555
0.328
0.225
0.185
0.172
0.179
0.200
0.224
0.253
0.277
ANG.
–66.6
–102.5
–133.1
–160.5
170.5
148.5
131.7
120.0
108.7
99.8
MAG.
9.68
5.98
4.24
3.31
2.71
2.34
2.06
1.86
1.71
1.58
S21
ANG.
124.7
102.2
89.3
80.3
72.4
65.8
59.9
54.4
49.6
44.9
MAG.
0.0717
0.106
0.138
0.170
0.204
0.237
0.270
0.303
0.334
0.365
S12
ANG.
62.3
59.4
60.8
61.4
61.3
60.7
59.5
58.1
56.4
54.5
MAG.
0.672
0.462
0.371
0.326
0.301
0.285
0.276
0.268
0.262
0.256
S22
ANG.
–39.7
–49.8
–53.4
–56.4
–59.9
–63.6
–68.2
–73.2
–78.7
–84.7
S Parameter
(V
CE
= 5 V, I
C
= 20 mA, Z
O
= 50
Ω)
Freq.
(MHz)
200
400
600
800
1000
1200
1400
1600
1800
2000
S11
MAG.
0.220
0.135
0.120
0.132
0.155
0.174
0.196
0.225
0.246
0.267
ANG.
–101.8
–149.0
175.1
148.0
129.6
117.3
105.5
97.8
92.0
84.5
MAG.
13.13
7.08
4.83
3.70
3.02
2.58
2.26
2.04
1.86
1.72
S21
ANG.
106.0
90.8
82.2
75.5
69.5
63.9
58.8
54.1
50.0
45.7
MAG.
0.0532
0.0946
0.137
0.178
0.220
0.258
0.296
0.331
0.364
0.397
S12
ANG.
71.5
73.6
72.6
70.8
68.2
65.6
62.9
60.3
57.5
54.7
MAG.
0.401
0.277
0.239
0.221
0.212
0.205
0.201
0.197
0.193
0.190
S22
ANG.
–48.6
–49.0
–50.1
–53.4
–57.9
–63.1
–69.1
–75.7
–82.1
–89.4
Rev.3.00 Aug 10, 2005 page 6 of 7
RENESAS [ RENESAS TECHNOLOGY CORP ]
